DTLS (Datagram Transport Layer Security) More...
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Data Structures | |
struct | DtlsClientParameters |
Client parameters. More... | |
Macros | |
#define | DTLS_VERSION_1_0 0xFEFF |
#define | DTLS_VERSION_1_2 0xFEFD |
#define | DTLS_VERSION_1_3 0xFEFC |
#define | DTLS_SUPPORT DISABLED |
#define | DTLS_DEFAULT_PMTU 1452 |
#define | DTLS_MIN_PMTU 528 |
#define | DTLS_REPLAY_DETECTION_SUPPORT ENABLED |
#define | DTLS_REPLAY_WINDOW_SIZE 64 |
#define | DTLS_MAX_COOKIE_SIZE 32 |
#define | DTLS_MAX_RETRIES 5 |
#define | DTLS_INIT_TIMEOUT 1000 |
#define | DTLS_MIN_TIMEOUT 500 |
#define | DTLS_MAX_TIMEOUT 60000 |
Typedefs | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
char_t name [] | |
uint8_t tokenLen: 4 | |
uint8_t type: 2 | |
uint8_t version: 2 | |
uint8_t code | |
uint16_t mid | |
uint8_t token [] | |
union { | |
uint8_t b [6] | |
uint16_t w [3] | |
} | |
uint16_t srcPort | |
uint16_t destPort | |
uint32_t seqNum | |
uint32_t ackNum | |
uint8_t reserved1: 4 | |
uint8_t dataOffset: 4 | |
uint8_t flags: 6 | |
uint8_t reserved2: 2 | |
uint16_t window | |
uint16_t checksum | |
uint16_t urgentPointer | |
uint8_t options [] | |
uint16_t length | |
uint8_t data [] | |
uint8_t op | |
uint8_t htype | |
uint8_t hlen | |
uint8_t hops | |
uint32_t xid | |
uint16_t secs | |
uint16_t flags | |
Ipv4Addr ciaddr | |
Ipv4Addr yiaddr | |
Ipv4Addr siaddr | |
Ipv4Addr giaddr | |
MacAddr chaddr | |
uint8_t unused [10] | |
uint8_t sname [64] | |
uint8_t file [128] | |
uint32_t magicCookie | |
uint16_t type | |
uint16_t hardwareType | |
uint32_t time | |
MacAddr linkLayerAddr | |
uint16_t id | |
uint8_t rd: 1 | |
uint8_t tc: 1 | |
uint8_t aa: 1 | |
uint8_t opcode: 4 | |
uint8_t qr: 1 | |
uint8_t rcode: 4 | |
uint8_t z: 3 | |
uint8_t ra: 1 | |
uint16_t qdcount | |
uint16_t ancount | |
uint16_t nscount | |
uint16_t arcount | |
uint8_t questions [] | |
uint16_t controlWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bcdUsb | |
uint8_t bDeviceClass | |
uint8_t bDeviceSubClass | |
uint8_t bDeviceProtocol | |
uint8_t bMaxPacketSize0 | |
uint16_t idVendor | |
uint16_t idProduct | |
uint16_t bcdDevice | |
uint8_t iManufacturer | |
uint8_t iProduct | |
uint8_t iSerialNumber | |
uint8_t bNumConfigurations | |
uint8_t maxRespTime | |
Ipv4Addr groupAddr | |
uint16_t hrd | |
uint16_t pro | |
uint8_t hln | |
uint8_t pln | |
uint16_t op | |
MacAddr sha | |
Ipv4Addr spa | |
MacAddr tha | |
Ipv4Addr tpa | |
uint8_t length | |
uint8_t value [] | |
uint16_t first | |
uint16_t last | |
uint16_t next | |
union { | |
uint8_t b [16] | |
uint16_t w [8] | |
uint32_t dw [4] | |
} | |
uint16_t maxRespDelay | |
uint16_t reserved | |
Ipv6Addr multicastAddr | |
uint32_t reserved | |
uint16_t pvid | |
uint8_t autoNegSupportStatus | |
uint16_t pmdAutoNegAdvCap | |
uint16_t operationalMauType | |
uint16_t capabilities | |
uint8_t deviceType | |
uint8_t lengthH: 1 | |
uint8_t lengthL | |
uint8_t t: 1 | |
uint8_t c: 1 | |
union { | |
int32_t integer | |
uint8_t octetString [1] | |
uint8_t oid [1] | |
uint8_t ipAddr [4] | |
uint32_t counter32 | |
uint32_t gauge32 | |
uint32_t unsigned32 | |
uint32_t timeTicks | |
uint64_t counter64 | |
} | |
uint16_t transactionId | |
uint16_t protocolId | |
uint8_t unitId | |
uint8_t pdu [] | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
union { | |
uint8_t all | |
struct { | |
uint8_t topicIdType: 2 | |
uint8_t cleanSession: 1 | |
uint8_t will: 1 | |
uint8_t retain: 1 | |
uint8_t qos: 2 | |
uint8_t dup: 1 | |
} | |
} | |
uint8_t b: 1 | |
uint8_t identifier | |
uint8_t valueSize | |
Ipv4Addr srcIpAddr | |
Ipv4Addr destIpAddr | |
Eui64 interfaceId | |
uint16_t mru | |
uint8_t peerIdLength | |
uint8_t peerId [] | |
uint32_t seconds | |
uint32_t fraction | |
uint16_t opcode | |
char_t filename [] | |
uint8_t reserved: 3 | |
uint8_t fin: 1 | |
uint8_t payloadLen: 7 | |
uint8_t mask: 1 | |
uint8_t extPayloadLen [] | |
uint32_t length | |
uint8_t payload [] | |
uint8_t protocolVersionId | |
uint8_t bpduType | |
StpBridgeId rootId | |
uint32_t rootPathCost | |
StpBridgeId bridgeId | |
uint16_t portId | |
uint16_t messageAge | |
uint16_t maxAge | |
uint16_t helloTime | |
uint16_t forwardDelay | |
uint8_t version1Length | |
uint16_t priority | |
MacAddr addr | |
} | DtlsSequenceNumber |
Sequence number. More... | |
struct { | |
char_t type | |
uint32_t dataStart | |
uint32_t dataLength | |
uint8_t nameLength | |
uint8_t length: 4 | |
uint8_t delta: 4 | |
union { | |
uint8_t b [8] | |
uint16_t w [4] | |
uint32_t dw [2] | |
} | |
uint8_t kind | |
uint8_t value [] | |
uint8_t code | |
uint16_t type | |
uint32_t enterpriseNumber | |
uint8_t identifier [] | |
uint16_t qtype | |
uint16_t qclass | |
uint16_t statusWord | |
uint16_t byteCount | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t wTotalLength | |
uint8_t bNumInterfaces | |
uint8_t bConfigurationValue | |
uint8_t iConfiguration | |
uint8_t bmAttributes | |
uint8_t bMaxPower | |
uint8_t type | |
uint16_t checksum | |
uint8_t parameter | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t parameter | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint8_t curHopLimit | |
uint8_t reserved: 2 | |
uint8_t p: 1 | |
uint8_t prf: 2 | |
uint8_t h: 1 | |
uint8_t o: 1 | |
uint8_t m: 1 | |
uint16_t routerLifetime | |
uint32_t reachableTime | |
uint32_t retransTimer | |
uint8_t flags | |
uint16_t ppvid | |
uint8_t mdiPowerSupport | |
uint8_t psePowerPair | |
uint8_t powerClass | |
uint8_t appType | |
uint8_t vlanIdH: 5 | |
uint8_t x: 1 | |
uint8_t t: 1 | |
uint8_t u: 1 | |
uint8_t l2PriorityH: 1 | |
uint8_t vlanIdL: 7 | |
uint8_t dscpValue: 6 | |
uint8_t l2PriorityL: 2 | |
uint8_t chassisIdSubtype | |
uint8_t chassisId [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfCoils | |
uint16_t length | |
uint8_t msgType | |
uint16_t flags | |
Ipv4Addr addr | |
uint8_t valueSize | |
uint16_t protocol | |
uint32_t accm | |
uint8_t msgLength | |
uint8_t message [] | |
uint8_t mode: 3 | |
uint8_t vn: 3 | |
uint8_t li: 2 | |
uint8_t stratum | |
uint8_t poll | |
int8_t precision | |
uint32_t rootDelay | |
uint32_t rootDispersion | |
uint32_t referenceId | |
NtpTimestamp referenceTimestamp | |
NtpTimestamp originateTimestamp | |
NtpTimestamp receiveTimestamp | |
NtpTimestamp transmitTimestamp | |
uint16_t opcode | |
char_t filename [] | |
uint16_t value [] | |
uint16_t group | |
uint8_t keyExchange [] | |
uint32_t id | |
uint32_t dataLen | |
} | DtlsCookie |
Cookie. More... | |
struct { | |
uint32_t totalSize | |
ResRootEntry rootEntry | |
MacAddr destAddr | |
MacAddr srcAddr | |
uint16_t type | |
uint8_t data [] | |
uint16_t hardwareType | |
MacAddr linkLayerAddr | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bInterfaceNumber | |
uint8_t bAlternateSetting | |
uint8_t bNumEndpoints | |
uint8_t bInterfaceClass | |
uint8_t bInterfaceSubClass | |
uint8_t bInterfaceProtocol | |
uint8_t iInterface | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t options [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
uint16_t vlanId | |
uint8_t vlanNameLen | |
char_t vlanName [] | |
uint8_t aggregationStatus | |
uint32_t aggregatedPortId | |
uint8_t locationDataFormat | |
uint8_t locationId [] | |
uint8_t portIdSubtype | |
uint8_t portId [] | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t coilStatus [] | |
uint8_t prefix | |
uint16_t length | |
uint8_t msgType | |
uint8_t identifier | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint8_t msgLength | |
uint8_t rejectedPacket [] | |
uint32_t keyId | |
uint8_t messageDigest [16] | |
uint16_t opcode | |
uint16_t block | |
uint16_t value [] | |
uint8_t value [] | |
} | DtlsSupportedVersionList |
List of supported versions. More... | |
struct { | |
uint8_t dsap | |
uint8_t ssap | |
uint8_t control | |
uint8_t msgType | |
uint8_t transactionId [3] | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [4] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint8_t bEndpointAddress | |
uint8_t bmAttributes | |
uint16_t wMaxPacketSize | |
uint8_t bInterval | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint32_t unused | |
uint8_t data [] | |
uint32_t mtu | |
uint8_t nextHeader | |
uint8_t hdrExtLen | |
uint8_t routingType | |
uint8_t segmentsLeft | |
uint32_t reserved | |
Ipv6Addr address [] | |
uint8_t reserved1: 5 | |
uint8_t o: 1 | |
uint8_t s: 1 | |
uint8_t r: 1 | |
uint8_t reserved2 [3] | |
Ipv6Addr targetAddr | |
uint8_t protocolIdLen | |
uint8_t protocolId [] | |
uint16_t maxFrameSize | |
uint8_t powerPriority: 4 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t powerValue | |
uint16_t ttl | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfInputs | |
uint8_t gwId | |
uint16_t duration | |
uint8_t identifier | |
uint16_t length | |
uint8_t message [] | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint16_t protocol | |
uint16_t rejectedProtocol | |
uint8_t rejectedInfo [] | |
uint16_t opcode | |
uint16_t block | |
uint16_t version | |
uint16_t epoch | |
DtlsSequenceNumber seqNum | |
uint8_t hash | |
uint8_t signature | |
uint8_t value [] | |
} | DtlsRecord |
DTLS record. More... | |
struct { | |
uint16_t tci | |
uint16_t type | |
uint8_t msgType | |
uint8_t hopCount | |
Ipv6Addr linkAddress | |
Ipv6Addr peerAddress | |
uint8_t options [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint8_t rdata [16] | |
uint8_t bLength | |
uint8_t bDescriptorType | |
uint16_t bString [] | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint8_t pointer | |
uint8_t unused [3] | |
uint8_t data [] | |
uint32_t unused | |
uint8_t nextHeader | |
uint8_t payloadLen | |
uint16_t reserved | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t authData [] | |
uint32_t reserved | |
Ipv6Addr targetAddr | |
Ipv6Addr destAddr | |
uint8_t measurements [20] | |
uint16_t psePowerPriceIndex | |
uint16_t supportedCap | |
uint16_t enabledCap | |
uint8_t functionCode | |
uint8_t byteCount | |
uint8_t inputStatus [] | |
uint8_t radius | |
uint8_t length | |
Ipv4Addr ipAddr | |
uint32_t magicNumber | |
uint8_t identifier | |
uint16_t length | |
uint16_t opcode | |
uint16_t errorCode | |
char_t errorMsg [] | |
uint16_t msgSeq | |
uint8_t fragOffset [3] | |
uint8_t fragLength [3] | |
TlsSignHashAlgo value [] | |
uint8_t value [] | |
} | DtlsHandshake |
DTLS handshake message. More... | |
struct { | |
uint16_t code | |
uint16_t length | |
uint8_t value [] | |
uint16_t rtype | |
uint16_t rclass | |
uint32_t ttl | |
uint16_t rdlength | |
uint16_t priority | |
uint16_t weight | |
uint16_t port | |
uint8_t target [] | |
uint8_t bFunctionLength | |
uint8_t bDescriptorType | |
uint8_t bDescriptorSubtype | |
uint16_t bcdCdc | |
uint8_t type | |
uint8_t code | |
uint16_t checksum | |
uint16_t identifier | |
uint16_t sequenceNumber | |
uint8_t data [] | |
uint32_t pointer | |
uint32_t securityParamIndex | |
uint32_t sequenceNumber | |
uint8_t payloadData [] | |
uint8_t length | |
uint8_t powerPriority: 2 | |
uint8_t pd4pid: 1 | |
uint8_t reserved: 1 | |
uint8_t powerSource: 2 | |
uint8_t powerType: 2 | |
uint16_t pdRequestedPower | |
uint16_t pseAllocatedPower | |
uint8_t mgmtAddrLen | |
uint8_t mgmtAddrSubtype | |
uint8_t mgmtAddr [] | |
uint8_t functionCode | |
uint16_t startingAddr | |
uint16_t quantityOfRegs | |
uint8_t gwId | |
uint8_t gwAdd [] | |
Ipv4Addr ipAddr | |
uint8_t identifier | |
uint32_t magicNumber | |
uint16_t serverVersion | |
uint8_t cookieLength | |
uint8_t cookie [] | |
} | DtlsHelloVerifyRequest |
HelloVerifyRequest message. More... | |
typedef error_t(* | DtlsCookieGenerateCallback) (TlsContext *context, const DtlsClientParameters *clientParams, uint8_t *cookie, size_t *length, void *param) |
DTLS cookie generation callback function. More... | |
typedef error_t(* | DtlsCookieVerifyCallback) (TlsContext *context, const DtlsClientParameters *clientParams, const uint8_t *cookie, size_t length, void *param) |
DTLS cookie verification callback function. More... | |
Enumerations | |
enum | DtlsRetransmitState { DTLS_RETRANSMIT_STATE_PREPARING = 0, DTLS_RETRANSMIT_STATE_SENDING = 1, DTLS_RETRANSMIT_STATE_WAITING = 2, DTLS_RETRANSMIT_STATE_FINISHED = 3 } |
DTLS retransmission states. More... | |
Detailed Description
DTLS (Datagram Transport Layer Security)
License
SPDX-License-Identifier: GPL-2.0-or-later
Copyright (C) 2010-2023 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneSSL Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version
- 2.2.4
Definition in file dtls_misc.h.
Macro Definition Documentation
◆ DTLS_DEFAULT_PMTU
#define DTLS_DEFAULT_PMTU 1452 |
Definition at line 48 of file dtls_misc.h.
◆ DTLS_INIT_TIMEOUT
#define DTLS_INIT_TIMEOUT 1000 |
Definition at line 90 of file dtls_misc.h.
◆ DTLS_MAX_COOKIE_SIZE
#define DTLS_MAX_COOKIE_SIZE 32 |
Definition at line 76 of file dtls_misc.h.
◆ DTLS_MAX_RETRIES
#define DTLS_MAX_RETRIES 5 |
Definition at line 83 of file dtls_misc.h.
◆ DTLS_MAX_TIMEOUT
#define DTLS_MAX_TIMEOUT 60000 |
Definition at line 104 of file dtls_misc.h.
◆ DTLS_MIN_PMTU
#define DTLS_MIN_PMTU 528 |
Definition at line 55 of file dtls_misc.h.
◆ DTLS_MIN_TIMEOUT
#define DTLS_MIN_TIMEOUT 500 |
Definition at line 97 of file dtls_misc.h.
◆ DTLS_REPLAY_DETECTION_SUPPORT
#define DTLS_REPLAY_DETECTION_SUPPORT ENABLED |
Definition at line 62 of file dtls_misc.h.
◆ DTLS_REPLAY_WINDOW_SIZE
#define DTLS_REPLAY_WINDOW_SIZE 64 |
Definition at line 69 of file dtls_misc.h.
◆ DTLS_SUPPORT
#define DTLS_SUPPORT DISABLED |
Definition at line 41 of file dtls_misc.h.
◆ DTLS_VERSION_1_0
#define DTLS_VERSION_1_0 0xFEFF |
Definition at line 35 of file dtls_misc.h.
◆ DTLS_VERSION_1_2
#define DTLS_VERSION_1_2 0xFEFD |
Definition at line 36 of file dtls_misc.h.
◆ DTLS_VERSION_1_3
#define DTLS_VERSION_1_3 0xFEFC |
Definition at line 37 of file dtls_misc.h.
Typedef Documentation
◆ DtlsCookie
typedef { ... } DtlsCookie |
Cookie.
◆ DtlsCookieGenerateCallback
typedef error_t(* DtlsCookieGenerateCallback) (TlsContext *context, const DtlsClientParameters *clientParams, uint8_t *cookie, size_t *length, void *param) |
DTLS cookie generation callback function.
Definition at line 236 of file dtls_misc.h.
◆ DtlsCookieVerifyCallback
typedef error_t(* DtlsCookieVerifyCallback) (TlsContext *context, const DtlsClientParameters *clientParams, const uint8_t *cookie, size_t length, void *param) |
DTLS cookie verification callback function.
Definition at line 245 of file dtls_misc.h.
◆ DtlsHandshake
typedef { ... } DtlsHandshake |
DTLS handshake message.
◆ DtlsHelloVerifyRequest
typedef { ... } DtlsHelloVerifyRequest |
HelloVerifyRequest message.
◆ DtlsRecord
typedef { ... } DtlsRecord |
DTLS record.
◆ DtlsSequenceNumber
typedef { ... } DtlsSequenceNumber |
Sequence number.
◆ DtlsSupportedVersionList
typedef { ... } DtlsSupportedVersionList |
List of supported versions.
Enumeration Type Documentation
◆ DtlsRetransmitState
enum DtlsRetransmitState |
DTLS retransmission states.
Enumerator | |
---|---|
DTLS_RETRANSMIT_STATE_PREPARING | |
DTLS_RETRANSMIT_STATE_SENDING | |
DTLS_RETRANSMIT_STATE_WAITING | |
DTLS_RETRANSMIT_STATE_FINISHED |
Definition at line 119 of file dtls_misc.h.
Function Documentation
◆ dtlsCheckReplayWindow()
error_t dtlsCheckReplayWindow | ( | TlsContext * | context, |
DtlsSequenceNumber * | seqNum | ||
) |
Perform replay detection.
- Parameters
-
[in] context Pointer to the TLS context [in] seqNum Sequence number of the received DTLS record
- Returns
- Error code
Definition at line 471 of file dtls_misc.c.
◆ dtlsFormatCookie()
error_t dtlsFormatCookie | ( | TlsContext * | context, |
uint8_t * | p, | ||
size_t * | written | ||
) |
Format Cookie field.
- Parameters
-
[in] context Pointer to the TLS context [in] p Output stream where to write the Cookie field [out] written Total number of bytes that have been written
- Returns
- Error code
Definition at line 146 of file dtls_misc.c.
◆ dtlsFormatHelloVerifyRequest()
error_t dtlsFormatHelloVerifyRequest | ( | TlsContext * | context, |
DtlsHelloVerifyRequest * | message, | ||
size_t * | length | ||
) |
Format HelloVerifyRequest message.
- Parameters
-
[in] context Pointer to the TLS context [out] message Buffer where to format the HelloVerifyRequest message [out] length Length of the resulting HelloVerifyRequest message
- Returns
- Error code
Definition at line 293 of file dtls_misc.c.
◆ dtlsInitReplayWindow()
void dtlsInitReplayWindow | ( | TlsContext * | context | ) |
Initialize sliding window.
- Parameters
-
[in] context Pointer to the TLS context
Definition at line 450 of file dtls_misc.c.
◆ dtlsParseClientSupportedVersionsExtension()
error_t dtlsParseClientSupportedVersionsExtension | ( | TlsContext * | context, |
const DtlsSupportedVersionList * | supportedVersionList | ||
) |
Parse SupportedVersions extension.
- Parameters
-
[in] context Pointer to the TLS context [in] supportedVersionList Pointer to the SupportedVersions extension
- Returns
- Error code
Definition at line 403 of file dtls_misc.c.
◆ dtlsParseHelloVerifyRequest()
error_t dtlsParseHelloVerifyRequest | ( | TlsContext * | context, |
const DtlsHelloVerifyRequest * | message, | ||
size_t | length | ||
) |
Parse HelloVerifyRequest message.
When the client sends its ClientHello message to the server, the server may respond with a HelloVerifyRequest message
- Parameters
-
[in] context Pointer to the TLS context [in] message Incoming HelloVerifyRequest message to parse [in] length Message length
- Returns
- Error code
Definition at line 331 of file dtls_misc.c.
◆ dtlsSelectVersion()
error_t dtlsSelectVersion | ( | TlsContext * | context, |
uint16_t | version | ||
) |
Set the DTLS version to be used.
- Parameters
-
[in] context Pointer to the TLS context [in] version DTLS version
- Returns
- Error code
Definition at line 55 of file dtls_misc.c.
◆ dtlsSendHelloVerifyRequest()
error_t dtlsSendHelloVerifyRequest | ( | TlsContext * | context | ) |
Send HelloVerifyRequest message.
When the client sends its ClientHello message to the server, the server may respond with a HelloVerifyRequest message. This message contains a stateless cookie
- Parameters
-
[in] context Pointer to the TLS context
- Returns
- Error code
Definition at line 249 of file dtls_misc.c.
◆ dtlsTranslateVersion()
uint16_t dtlsTranslateVersion | ( | uint16_t | version | ) |
Translate TLS version into DTLS version.
- Parameters
-
[in] version TLS version
- Returns
- DTLS version
Definition at line 114 of file dtls_misc.c.
◆ dtlsUpdateReplayWindow()
void dtlsUpdateReplayWindow | ( | TlsContext * | context, |
DtlsSequenceNumber * | seqNum | ||
) |
Update sliding window.
- Parameters
-
[in] context Pointer to the TLS context [in] seqNum Sequence number of the received DTLS record
Definition at line 552 of file dtls_misc.c.
◆ dtlsVerifyCookie()
error_t dtlsVerifyCookie | ( | TlsContext * | context, |
const DtlsCookie * | cookie, | ||
const DtlsClientParameters * | clientParams | ||
) |
Cookie verification.
- Parameters
-
[in] context Pointer to the TLS context [in] cookie Pointer to the client's cookie [in] clientParams Client's parameters
- Returns
- Error code
Definition at line 180 of file dtls_misc.c.
Variable Documentation
◆ b
uint8_t b[6] |
Definition at line 140 of file dtls_misc.h.
◆ cookie
uint8_t cookie[] |
Definition at line 204 of file dtls_misc.h.
◆ cookieLength
uint8_t cookieLength |
Definition at line 203 of file dtls_misc.h.
◆ data
uint8_t data[] |
Definition at line 177 of file dtls_misc.h.
◆ epoch
uint16_t epoch |
Definition at line 174 of file dtls_misc.h.
◆ fragLength
uint8_t fragLength[3] |
Definition at line 191 of file dtls_misc.h.
◆ fragOffset
uint8_t fragOffset[3] |
Definition at line 190 of file dtls_misc.h.
◆ length
uint8_t length[3] |
Definition at line 150 of file dtls_misc.h.
◆ msgSeq
uint16_t msgSeq |
Definition at line 189 of file dtls_misc.h.
◆ msgType
uint8_t msgType |
Definition at line 187 of file dtls_misc.h.
◆ seqNum
DtlsSequenceNumber seqNum |
Definition at line 175 of file dtls_misc.h.
◆ serverVersion
uint16_t serverVersion |
Definition at line 202 of file dtls_misc.h.
◆ type
uint8_t type |
Definition at line 172 of file dtls_misc.h.
◆ value
uint16_t value[] |
Definition at line 151 of file dtls_misc.h.
◆ version
uint16_t version |
Definition at line 173 of file dtls_misc.h.